F-16 platform strengthens national defense, deepens NATO and allied air integration GREENVILLE, S.C., Dec. 15, 2025 /PRNewswire/ -- Lockheed Martin (NYSE: LMT) has completed production of all F16 Block 70 aircraft for Bulgaria and Slovakia's initial fleets, equipping both air forces with advanced F-16s ready for NATO and allied operations. Why it matters Full F-16 Block 70 fleets give Bulgaria and Slovakia the capability to provide national air defense and support NATO air policing with a modern, fully inte ...